Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Pressure Relief
Special Tool(s)
Fuel Pressure Gauge
310-012 (T80L-9974-B)
WARNING: Do not smoke or carry lighted tobacco or open flame of any
type when
working on or near any fuel-related components. Highly flammable mixtures are
always present
and may be ig ...
Charge Air Cooler
Material
Item
Specification
Silicone Gasket and Sealant
F7AZ-19554-EA or equivalent
WSE-M4G323-EA
Removal and Installation
1. Drain the supercharger coolant. For additional information, refer to
Section.
2. Release the fuel pressure. F ...
Parking brake
WARNING: If the parking brake is fully released, but the brake
warning lamp remains illuminated, the brakes may not be
working properly. See your authorized dealer as soon as possible.
WARNING: Always set the parking brake fully and make sure
that the transmis ...
